Base | Representation |
---|---|
bin | 10010101110100… |
… | …00001111000001 |
3 | 101221121001000001 |
4 | 21113100033001 |
5 | 310203401003 |
6 | 23331000001 |
7 | 3615151351 |
oct | 1127201701 |
9 | 357531001 |
10 | 157090753 |
11 | 80745676 |
12 | 44739001 |
13 | 26712511 |
14 | 16c12b61 |
15 | dbd061d |
hex | 95d03c1 |
157090753 has 4 divisors (see below), whose sum is σ = 157646128. Its totient is φ = 156535380.
The previous prime is 157090751. The next prime is 157090757. The reversal of 157090753 is 357090751.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 357090751 = 1093 ⋅326707.
It is a cyclic number.
It is not a de Polignac number, because 157090753 - 21 = 157090751 is a prime.
It is a super-3 number, since 3×1570907533 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (157090751) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277263 + ... + 277828.
It is an arithmetic number, because the mean of its divisors is an integer number (39411532).
Almost surely, 2157090753 is an apocalyptic number.
It is an amenable number.
157090753 is a deficient number, since it is larger than the sum of its proper divisors (555375).
157090753 is an equidigital number, since it uses as much as digits as its factorization.
157090753 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 555374.
The product of its (nonzero) digits is 33075, while the sum is 37.
The square root of 157090753 is about 12533.5850019059. The cubic root of 157090753 is about 539.5729969143.
The spelling of 157090753 in words is "one hundred fifty-seven million, ninety thousand, seven hundred fifty-three".
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